Filter Display
Landform
Season
Surface Type
Soil Type
Moisture Condition
RPM (Frictional Velocity m/s)
This only filters map features, the chart below shows all RPM's.
1500 RPM data was not collected prior to 2019.
1500 RPM data was not collected prior to 2019.
PI-SWERL data is symbolized to differentiate the individual RPM's and associated UST results for each run.
The symbol color indicates the UST emission class:
The symbol size indicates the RPM of the run. Sizes range from the lowest RPM to the highest:
At the initial map extent, the run results are stacked on top of each other:
When zoomed in on individual runs, the individual RMP's are displayed radially around the actual location:
